OPTICAL TERAHERTZ SCIENCE AND TECHNOLOGY

Conference Program
Conference Program
13:30 Emerging Terahertz Applications II
“Applications of terahertz pulsed technology in the semiconductor and pharmaceutical industries”
by Dr. Philip Taday, TeraView, Cambridge, UK
The terahertz spectral region extends from the end of the far-IR spectral region (i.e. 133 cm -1 or 4 THz) to the beginning of
the microwave spectral region (i.e. 1.3 cm -1 or 0.02 THz). Absorptions observed in this region are commonly associated with
intermolecular hydrogen-bonding vibrations and crystalline structure lattice vibrations.
TeraView’s terahertz pulsed spectroscopy (TPS) measurements obtained in both transmission and reflectance modes advance
the current state-of-the-art for elucidating solid state crystalline structures such as polymorphs, hydrates, and solvates by
providing fundamental spectra-structure correlations for hydrogen-bonding and other organic moieties.
Terahertz pulsed imaging (TPI) provides a quick and non-destructive 3D mapping technique for determining the composition
and integrity of intact materials. TPI yields unique information about materials.
More recently, TeraView has been on the next generation of time-domain reflectrometers (TDR) for use in semiconductor failure
analysis as a non-destructive method for the location of defects in semiconductor device packages.
In this seminar, Phillp Taday will give an overview of terahertz technology and practical implementation considerations for TPS
and TPI applications in industry.
“Terahertz wireless communications”
by Dr.-ing. Thomas Kleine-Ostmann, Physikalisch-Technische Bundesanstalt, Germany
The increased need of unoccupied and unregulated bandwidth for future wireless short-range communication systems
will require the extension of carrier frequencies to values of 300 GHz and beyond in the lower THz range. The Terahertz
Communications Lab is a joint activity of three research groups at the Technical University of Braunschweig and one at the
Physikalisch-Technische Bundesanstalt, the German National Metrology Institute, also in Braunschweig. It aims to do research
on system aspects, technology, propagation and channel modelling at sub-mm wavelengths. As part of this cooperation, the
Physikalisch-Technische Bundesanstalt covers metrological aspects within this frequency range. A 300 GHz transmission
system designed for THz communication channel modelling and propagation studies has been set up and characterized with
regard to link budget and noise. It consists of autarkic transmitter and detector units based on Schottky diode mixer technology.
For demonstration, analogue and digital video signals have been transmitted over distances of up to 52 m. First channel
measurements have been performed in an office environment. This talk gives an overview of recent and envisaged research
activities within the Terahertz Communications Lab.
15:00 Coffee/tea break
“Industrial application of terahertz systems”
by Professor Martin Koch, University of Marburg, Germany
THz spectroscopy systems will soon find their way from research labs into industry. In the talk Professor Koch will give an
overview of emerging real world applications for THz technology. Applications include the process control in the polymer
industry, the detection of contaminations in food, and the monitoring of the plant water status, the latter being important for
plant breeders. Besides, Professor Koch will review recent attempts to develop low cost THz systems.
15:15 Moderated debate/panel discussion
16:00 Closing remarks
Moderator
To facilitate an active discussion between the speakers of the conference and
the participants, the sessions will be moderated by Professor Søren Rud Keiding,
Department of Chemistry, Aarhus University.